Reasons to choose D7100
Released in 2013, D7100 has about 367 mm² of sensor area, 24.1 MP effective resolution, and a 675 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Nikon D7100
vs Sony Alpha NEX-7
VS
Sensor area
367 mm²
D7100367 mm²
Alpha NEX-7- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The D7100 and Alpha NEX-7 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
D7100MetricAlpha NEX-7
24.1 MPEffective pixels24.3 MP
23.5 × 15.6Sensor23.5 × 15.6
3.9 µmPixel pitch3.88 µm
15.21 µm²Pixel area15.09 µm²
6.57 MP/cm²Pixel density6.63 MP/cm²
1.53Crop factor1.53
1,920 × 1,080Maximum video—
675 gWeight400 g
SD/SDHC/SDXC x 2StorageSD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Lithium-Ion EN-EL15 rechargeable battery Li-ion batteryBatteryLithium-Ion NP-FW50 rechargeable battery Li-ion battery
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The D7100 and Alpha NEX-7 have the same sensor area. The Alpha NEX-7 has the lighter body. The Alpha NEX-7 has the higher effective resolution. The D7100 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha NEX-7
Released in 2011, Alpha NEX-7 has about 367 mm² of sensor area, 24.3 MP effective resolution, and a 400 g body. Use these values to narrow the field, not as an overall image-quality score.